Categories

CN2816

28 Inorganic Chemicals, Organic or Inorganic Compounds of Precious Metals, of Rare-earth Metals, of Radioactive Elements or of Isotopes

2816 (01/1988-..) Hydroxide and Peroxide of Magnesium, Oxides, Hydroxides and Peroxides, of Strontium or Barium

28161000 (01/1988-..) Hydroxide and Peroxide of Magnesium

28162000 (01/1988-12/2001) Oxide, Hydroxide and Peroxide of Strontium

28163000 (01/1988-12/2001) Oxide, Hydroxide and Peroxide of Barium

28164000 (01/2002-..) Oxides, Hydroxides and Peroxides, of Strontium or Barium